Posted by Eins on September 16, 2002 at 08:31:03:
In Reply to: Re: proof vs. resistant posted by mike on September 15, 2002 at 22:30:45:
Check out this silicone oil filled watch from Sinn:
http://www.sinn.de/sinn-uhren-2000/online-shop/Modelle/mod-403-hydro.htm
Their pressure rating is >500 bar